Heroku - Agile deployment platform for Ruby, Node.js, Clojure, Java, Python, and Scala. Setup takes only minutes and deploys are instant through git. Leave tedious server maintenance to Heroku and focus on your code.
DigitalOcean - Simplifying cloud hosting. Deploy an SSD cloud server in 55 seconds.
OpenShift - OpenShift gives you all the tools you need to develop, host and scale your apps in the public or private cloud. Get started today.
Microsoft Azure - Windows Azure and SQL Azure enable you to build, host and scale applications in Microsoft datacenters.
Cloudify - Accelerating Software Development & Deployment
Kubernetes - Kubernetes is an open source orchestration system for Docker containers